Norman Wildberger does not stop in so good way! Also, here is a new video of him that I have no doubt, will become your favorite Canadian living in Australia! This time, he reveals the secrets of homogeneous coordinates. Meaning not so obvious that we encounter every day yet! Indeed, most of 3D rendering engines (games, 3D applications, etc..) use this method of calculation for the display of the 2D projection of a 3D scene on a screen. This is where it happens (yes, always in English!):
WildTrig 33: Projective geometry and homogeneous coordinates .
See also the other 32 video lectures .
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